We were configuring a pair of sophisticated layer 7 Firewalls for high availability (stateful fail over). Stateful failover allows the firewalls to maintain actual session states, providing an almost seamless transition from one unit to the other. Layer 7 refers to firewalls that provide application-layer filtering. In test mode everything worked fine and when first brought them on line, they worked perfectly. (more…)

Aside from the most obvious security mistakes such as using default user names and passwords for web applications, there are many other serious threats that can easily bring down your website. SQL injection attacks are one of the more common threats. They are easy to create and can destroy your sites data. If only certain parts of your site are attacked you might not notice it for a while. In this situation you may need data backups from prior days or even prior weeks. Be very certain that you have a solid backup plan. (more…)